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Based on the recent comps, US$175 is a strong deal for this amp: it sits well below the US$233 25th percentile and a long way under the US$290 median. At this level, you’re paying clearly under the going ask for comparable units, so the pricing looks buyer-friendly rather than merely fair.
That makes sense for a well-regarded stereo power amp: Onkyo’s M-series amps are generally valued for straightforward, solid-state muscle and a clean, no-nonsense presentation that suits vintage two-channel systems. If the unit is complete and operating normally, the upside is solid; just make sure it powers up quietly, both channels are healthy, and there’s no sign of relay or output-stage trouble before you commit.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Onkyo traces its roots to postwar Japan, founded in 1946 in Osaka by Takeshi Goda, an engineer at Matsushita Electric who envisioned high-quality Japanese loudspeakers. Initially established as Osaka Denki Onkyo K.K., the company began production in 1948 with the acclaimed ED-100 speaker featuring a 25 cm driver, quickly building a reputation through LP concerts and innovative designs that resonated with audiophiles.
The brand excels in premium home audio, renowned for AV receivers, hi-fi amplifiers, and surround sound speakers that deliver exceptional clarity and power. Its portfolio spans turntables, DACs, headphones, and cables, bolstered by acquisitions like Pioneer's home electronics division in 2015, enabling cutting-edge integrations such as internet radio and high-resolution streaming.
Onkyo holds a solid mid-tier position in the hi-fi market, prized by discerning buyers for reliable performance and value rather than ultra-high-end exotica. Despite bankruptcy challenges in the late 2010s, its revival under new ownership preserves a legacy of technological innovation and pure sound enjoyment, appealing to both vintage enthusiasts and modern home cinema setups.
See all Onkyo listings on RADAR.
